Mercurial > octave
view libinterp/parse-tree/pt-assign.cc @ 21301:40de9f8f23a6
Use '#include "config.h"' rather than <config.h>.
* mk-octave-config-h.sh, mk-opts.pl, Backend.cc, BaseControl.cc,
ButtonControl.cc, Canvas.cc, CheckBoxControl.cc, Container.cc, ContextMenu.cc,
EditControl.cc, Figure.cc, FigureWindow.cc, GLCanvas.cc, KeyMap.cc,
ListBoxControl.cc, Logger.cc, Menu.cc, MouseModeActionGroup.cc, Object.cc,
ObjectFactory.cc, ObjectProxy.cc, Panel.cc, PopupMenuControl.cc,
PushButtonControl.cc, PushTool.cc, QtHandlesUtils.cc, RadioButtonControl.cc,
SliderControl.cc, TextControl.cc, TextEdit.cc, ToggleButtonControl.cc,
ToggleTool.cc, ToolBar.cc, ToolBarButton.cc, __init_qt__.cc,
annotation-dialog.cc, gl-select.cc, module.mk, kpty.cpp, color-picker.cc,
dialog.cc, documentation-dock-widget.cc, files-dock-widget.cc,
find-files-dialog.cc, find-files-model.cc, history-dock-widget.cc,
file-editor-tab.cc, file-editor-tab.h, file-editor.cc, find-dialog.cc,
marker.cc, octave-qscintilla.cc, octave-txt-lexer.cc, main-window.cc,
octave-cmd.cc, octave-dock-widget.cc, octave-gui.cc, octave-interpreter.cc,
octave-qt-link.cc, parser.cc, webinfo.cc, resource-manager.cc,
settings-dialog.cc, shortcut-manager.cc, terminal-dock-widget.cc,
thread-manager.cc, welcome-wizard.cc, workspace-model.cc, workspace-view.cc,
build-env-features.sh, build-env.in.cc, Cell.cc, __contourc__.cc,
__dispatch__.cc, __dsearchn__.cc, __ichol__.cc, __ilu__.cc, __lin_interpn__.cc,
__pchip_deriv__.cc, __qp__.cc, balance.cc, besselj.cc, betainc.cc, bitfcns.cc,
bsxfun.cc, c-file-ptr-stream.cc, cdisplay.c, cellfun.cc, coct-hdf5-types.c,
colloc.cc, comment-list.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc,
debug.cc, defaults.cc, defun.cc, det.cc, dirfns.cc, display.cc, dlmread.cc,
dot.cc, dynamic-ld.cc, eig.cc, ellipj.cc, error.cc, errwarn.cc, event-queue.cc,
fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc, find.cc, ft-text-renderer.cc,
gammainc.cc, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc,
gl-render.cc, gl2ps-print.cc, graphics.cc, gripes.cc, hash.cc, help.cc,
hess.cc, hex2num.cc, hook-fcn.cc, input.cc, inv.cc, jit-ir.cc, jit-typeinfo.cc,
jit-util.cc, kron.cc, load-path.cc, load-save.cc, lookup.cc,
ls-ascii-helper.cc, ls-hdf5.cc, ls-mat-ascii.cc, ls-mat4.cc, ls-mat5.cc,
ls-oct-binary.cc, ls-oct-text.cc, ls-utils.cc, lsode.cc, lu.cc, luinc.cc,
mappers.cc, matrix_type.cc, max.cc, mex.cc, mgorth.cc, nproc.cc,
oct-errno.in.cc, oct-fstrm.cc, oct-hdf5-types.cc, oct-hist.cc, oct-iostrm.cc,
oct-lvalue.cc, oct-map.cc, oct-prcstrm.cc, oct-procbuf.cc, oct-stream.cc,
oct-strstrm.cc, oct-tex-lexer.in.ll, oct-tex-parser.in.yy, octave-link.cc,
ordschur.cc, pager.cc, pinv.cc, pr-output.cc, procstream.cc, profiler.cc,
psi.cc, pt-jit.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc,
schur.cc, sighandlers.cc, siglist.c, sparse-xdiv.cc, sparse-xpow.cc, sparse.cc,
spparms.cc, sqrtm.cc, str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc,
sylvester.cc, symtab.cc, syscalls.cc, sysdep.cc, text-renderer.cc, time.cc,
toplev.cc, tril.cc, tsearch.cc, txt-eng.cc, typecast.cc, urlwrite.cc, utils.cc,
variables.cc, xdiv.cc, xgl2ps.c, xnorm.cc, xpow.cc, zfstream.cc,
__delaunayn__.cc, __eigs__.cc, __fltk_uigetfile__.cc, __glpk__.cc,
__init_fltk__.cc, __init_gnuplot__.cc, __magick_read__.cc, __osmesa_print__.cc,
__voronoi__.cc, amd.cc, audiodevinfo.cc, audioread.cc, ccolamd.cc, chol.cc,
colamd.cc, convhulln.cc, dmperm.cc, fftw.cc, qr.cc, symbfact.cc, symrcm.cc,
mkbuiltins, mkops, ov-base-diag.cc, ov-base-int.cc, ov-base-mat.cc,
ov-base-scalar.cc, ov-base-sparse.cc, ov-base.cc, ov-bool-mat.cc,
ov-bool-sparse.cc, ov-bool.cc, ov-builtin.cc, ov-cell.cc, ov-ch-mat.cc,
ov-class.cc, ov-classdef.cc, ov-colon.cc, ov-complex.cc, ov-cs-list.cc,
ov-cx-diag.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-dld-fcn.cc, ov-fcn-handle.cc,
ov-fcn-inline.cc, ov-fcn.cc, ov-float.cc, ov-flt-complex.cc, ov-flt-cx-diag.cc,
ov-flt-cx-mat.cc, ov-flt-re-diag.cc, ov-flt-re-mat.cc, ov-int16.cc,
ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-java.cc, ov-lazy-idx.cc,
ov-mex-fcn.cc, ov-null-mat.cc, ov-oncleanup.cc, ov-perm.cc, ov-range.cc,
ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc, ov-scalar.cc, ov-str-mat.cc,
ov-struct.cc, ov-typeinfo.cc, ov-uint16.cc, ov-uint32.cc, ov-uint64.cc,
ov-uint8.cc, ov-usr-fcn.cc, ov.cc, ovl.cc, octave.cc, op-b-b.cc, op-b-bm.cc,
op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-cell.cc,
op-chm.cc, op-class.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-m.cc, op-cm-s.cc,
op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc,
op-cs-scm.cc, op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc,
op-dm-template.cc, op-dms-template.cc, op-double-conv.cc, op-fcdm-fcdm.cc,
op-fcdm-fdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fm.cc, op-fcm-fs.cc,
op-fcn.cc, op-fcs-fcm.cc, op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc,
op-fdm-fdm.cc, op-float-conv.cc, op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fm.cc,
op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc,
op-i16-i16.cc, op-i32-i32.cc, op-i64-i64.cc, op-i8-i8.cc, op-int-concat.cc,
op-int-conv.cc, op-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-s.cc, op-m-scm.cc,
op-m-sm.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc, op-pm-template.cc,
op-range.cc, op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc,
op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc, op-scm-cm.cc,
op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc,
op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc,
op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc, op-ui16-ui16.cc,
op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc, lex.ll, oct-parse.in.yy,
pt-arg-list.cc, pt-array-list.cc, pt-assign.cc, pt-binop.cc, pt-bp.cc,
pt-cbinop.cc, pt-cell.cc, pt-check.cc, pt-classdef.cc, pt-cmd.cc, pt-colon.cc,
pt-const.cc, pt-decl.cc, pt-eval.cc, pt-except.cc, pt-exp.cc, pt-fcn-handle.cc,
pt-funcall.cc, pt-id.cc, pt-idx.cc, pt-jump.cc, pt-loop.cc, pt-mat.cc,
pt-misc.cc, pt-pr-code.cc, pt-select.cc, pt-stmt.cc, pt-unop.cc, pt.cc,
token.cc, Array-jit.cc, Array-os.cc, Array-sym.cc, Array-tc.cc, version.cc,
Array-C.cc, Array-b.cc, Array-ch.cc, Array-d.cc, Array-f.cc, Array-fC.cc,
Array-i.cc, Array-idx-vec.cc, Array-s.cc, Array-str.cc, Array-util.cc,
Array-voidp.cc, Array.cc, CColVector.cc, CDiagMatrix.cc, CMatrix.cc,
CNDArray.cc, CRowVector.cc, CSparse.cc, DiagArray2.cc, MArray-C.cc,
MArray-d.cc, MArray-f.cc, MArray-fC.cc, MArray-i.cc, MArray-s.cc, MArray.cc,
MDiagArray2.cc, MSparse-C.cc, MSparse-d.cc, MatrixType.cc, PermMatrix.cc,
Range.cc, Sparse-C.cc, Sparse-b.cc, Sparse-d.cc, Sparse.cc, boolMatrix.cc,
boolNDArray.cc, boolSparse.cc, chMatrix.cc, chNDArray.cc, dColVector.cc,
dDiagMatrix.cc, dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc,
dim-vector.cc, fCColVector.cc, fCDiagMatrix.cc, fCMatrix.cc, fCNDArray.cc,
fCRowVector.cc, fColVector.cc, fDiagMatrix.cc, fMatrix.cc, fNDArray.cc,
fRowVector.cc, idx-vector.cc, int16NDArray.cc, int32NDArray.cc,
int64NDArray.cc, int8NDArray.cc, intNDArray.cc, uint16NDArray.cc,
uint32NDArray.cc, uint64NDArray.cc, uint8NDArray.cc, blaswrap.c, cquit.c,
f77-extern.cc, f77-fcn.c, lo-error.c, quit.cc, CollocWt.cc, DASPK.cc, DASRT.cc,
DASSL.cc, EIG.cc, LSODE.cc, ODES.cc, Quad.cc, aepbalance.cc, chol.cc,
eigs-base.cc, fEIG.cc, gepbalance.cc, hess.cc, lo-mappers.cc, lo-specfun.cc,
lu.cc, oct-convn.cc, oct-fftw.cc, oct-norm.cc, oct-rand.cc, oct-spparms.cc,
qr.cc, qrp.cc, randgamma.c, randmtzig.c, randpoisson.c, schur.cc,
sparse-chol.cc, sparse-dmsolve.cc, sparse-lu.cc, sparse-qr.cc, svd.cc,
mk-ops.awk, dir-ops.cc, file-ops.cc, file-stat.cc, lo-sysdep.cc, mach-info.cc,
oct-env.cc, oct-group.cc, oct-passwd.cc, oct-syscalls.cc, oct-time.cc,
oct-uname.cc, cmd-edit.cc, cmd-hist.cc, data-conv.cc, f2c-main.c,
glob-match.cc, kpse.cc, lo-array-errwarn.cc, lo-array-gripes.cc, lo-cutils.c,
lo-ieee.cc, lo-regexp.cc, lo-utils.cc, oct-base64.cc, oct-glob.cc,
oct-inttypes.cc, oct-locbuf.cc, oct-mutex.cc, oct-rl-edit.c, oct-rl-hist.c,
oct-shlib.cc, oct-sort.cc, pathsearch.cc, singleton-cleanup.cc, sparse-sort.cc,
sparse-util.cc, str-vec.cc, unwind-prot.cc, url-transfer.cc,
display-available.c, main-cli.cc, main-gui.cc, main.in.cc, mkoctfile.in.cc,
octave-config.in.cc:
Use '#include "config.h"' rather than <config.h>.
author | Rik <rik@octave.org> |
---|---|
date | Thu, 18 Feb 2016 13:34:50 -0800 |
parents | fcac5dbbf9ed |
children | 3d60ed163b70 |
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/* Copyright (C) 1996-2015 John W. Eaton This file is part of Octave. Octave is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. Octave is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include <iostream> #include <set> #include "defun.h" #include "error.h" #include "errwarn.h" #include "input.h" #include "ovl.h" #include "oct-lvalue.h" #include "pager.h" #include "ov.h" #include "pt-arg-list.h" #include "pt-bp.h" #include "pt-assign.h" #include "pt-eval.h" #include "pt-walk.h" #include "utils.h" #include "variables.h" // Simple assignment expressions. tree_simple_assignment::tree_simple_assignment (tree_expression *le, tree_expression *re, bool plhs, int l, int c, octave_value::assign_op t) : tree_expression (l, c), lhs (le), rhs (re), preserve (plhs), etype (t) { } tree_simple_assignment::~tree_simple_assignment (void) { if (! preserve) delete lhs; delete rhs; } octave_value_list tree_simple_assignment::rvalue (int nargout) { if (nargout > 1) error ("invalid number of output arguments for expression X = RHS"); return rvalue1 (nargout); } octave_value tree_simple_assignment::rvalue1 (int) { octave_value retval; if (rhs) { octave_value rhs_val = rhs->rvalue1 (); if (rhs_val.is_undefined ()) error ("value on right hand side of assignment is undefined"); if (rhs_val.is_cs_list ()) { const octave_value_list lst = rhs_val.list_value (); if (lst.empty ()) error ("invalid number of elements on RHS of assignment"); rhs_val = lst(0); } try { octave_lvalue ult = lhs->lvalue (); if (ult.numel () != 1) err_nonbraced_cs_list_assignment (); ult.assign (etype, rhs_val); if (etype == octave_value::op_asn_eq) retval = rhs_val; else retval = ult.value (); if (print_result () && tree_evaluator::statement_printing_enabled ()) { // We clear any index here so that we can // get the new value of the referenced // object below, instead of the indexed // value (which should be the same as the // right hand side value). ult.clear_index (); octave_value lhs_val = ult.value (); lhs_val.print_with_name (octave_stdout, lhs->name ()); } } catch (index_exception& e) { e.set_var (lhs->name ()); std::string msg = e.message (); error_with_id (e.err_id (), msg.c_str ()); } } return retval; } std::string tree_simple_assignment::oper (void) const { return octave_value::assign_op_as_string (etype); } tree_expression * tree_simple_assignment::dup (symbol_table::scope_id scope, symbol_table::context_id context) const { tree_simple_assignment *new_sa = new tree_simple_assignment (lhs ? lhs->dup (scope, context) : 0, rhs ? rhs->dup (scope, context) : 0, preserve, etype); new_sa->copy_base (*this); return new_sa; } void tree_simple_assignment::accept (tree_walker& tw) { tw.visit_simple_assignment (*this); } // Multi-valued assignment expressions. tree_multi_assignment::tree_multi_assignment (tree_argument_list *lst, tree_expression *r, bool plhs, int l, int c) : tree_expression (l, c), lhs (lst), rhs (r), preserve (plhs) { } tree_multi_assignment::~tree_multi_assignment (void) { if (! preserve) delete lhs; delete rhs; } octave_value tree_multi_assignment::rvalue1 (int nargout) { octave_value retval; const octave_value_list tmp = rvalue (nargout); if (! tmp.empty ()) retval = tmp(0); return retval; } // FIXME: this works, but it would look a little better if // it were broken up into a couple of separate functions. octave_value_list tree_multi_assignment::rvalue (int) { octave_value_list retval; if (rhs) { std::list<octave_lvalue> lvalue_list = lhs->lvalue_list (); octave_idx_type n_out = 0; for (std::list<octave_lvalue>::const_iterator p = lvalue_list.begin (); p != lvalue_list.end (); p++) n_out += p->numel (); // The following trick is used to keep rhs_val constant. const octave_value_list rhs_val1 = rhs->rvalue (n_out, &lvalue_list); const octave_value_list rhs_val = (rhs_val1.length () == 1 && rhs_val1(0).is_cs_list () ? rhs_val1(0).list_value () : rhs_val1); octave_idx_type k = 0; octave_idx_type n = rhs_val.length (); // To avoid copying per elements and possible optimizations, we // postpone joining the final values. std::list<octave_value_list> retval_list; tree_argument_list::iterator q = lhs->begin (); for (std::list<octave_lvalue>::iterator p = lvalue_list.begin (); p != lvalue_list.end (); p++) { tree_expression *lhs_elt = *q++; octave_lvalue ult = *p; octave_idx_type nel = ult.numel (); if (nel != 1) { // Huge kluge so that wrapper scripts with lines like // // [varargout{1:nargout}] = fcn (args); // // Will work the same as calling fcn directly when nargout // is 0 and fcn produces more than one output even when // nargout is 0. This only works if varargout has not yet // been defined. See also bug #43813. if (lvalue_list.size () == 1 && nel == 0 && n > 0 && ! ult.is_black_hole () && ult.is_undefined () && ult.index_type () == "{" && ult.index_is_empty ()) { // Convert undefined lvalue with empty index to a cell // array with a single value and indexed by 1 to // handle a single output. nel = 1; ult.define (Cell (1, 1)); ult.clear_index (); std::list<octave_value_list> idx; idx.push_back (octave_value_list (octave_value (1))); ult.set_index ("{", idx); } if (k + nel > n) error ("some elements undefined in return list"); // This won't do a copy. octave_value_list ovl = rhs_val.slice (k, nel); ult.assign (octave_value::op_asn_eq, octave_value (ovl, true)); retval_list.push_back (ovl); k += nel; } else { if (k < n) { ult.assign (octave_value::op_asn_eq, rhs_val(k)); if (ult.is_black_hole ()) { k++; continue; } else { retval_list.push_back (rhs_val(k)); k++; } } else { // This can happen for a function like // // function varargout = f () // varargout{1} = nargout; // endfunction // // called with // // [a, ~] = f (); // // Then the list of of RHS values will contain one // element but we are iterating over the list of all // RHS values. We shouldn't complain that a value we // don't need is missing from the list. if (! ult.is_black_hole ()) error ("element number %d undefined in return list", k+1); k++; continue; } } if (print_result () && tree_evaluator::statement_printing_enabled ()) { // We clear any index here so that we can get // the new value of the referenced object below, // instead of the indexed value (which should be // the same as the right hand side value). ult.clear_index (); octave_value lhs_val = ult.value (); lhs_val.print_with_name (octave_stdout, lhs_elt->name ()); } } // Concatenate return values. retval = retval_list; } return retval; } /* %!function varargout = f () %! varargout{1} = nargout; %!endfunction %! %!test %! [a, ~] = f (); %! assert (a, 2); %!test %! [a, ~, ~, ~, ~] = f (); %! assert (a, 5); */ std::string tree_multi_assignment::oper (void) const { return octave_value::assign_op_as_string (op_type ()); } tree_expression * tree_multi_assignment::dup (symbol_table::scope_id scope, symbol_table::context_id context) const { tree_multi_assignment *new_ma = new tree_multi_assignment (lhs ? lhs->dup (scope, context) : 0, rhs ? rhs->dup (scope, context) : 0, preserve); new_ma->copy_base (*this); return new_ma; } void tree_multi_assignment::accept (tree_walker& tw) { tw.visit_multi_assignment (*this); }